Kelford 272/268 AVCS Camshafts Subaru STI EJ25 2004-2007 | R-199-C

Product Description

Fitment Information:

2004-2007 Subaru STI

Features:

272/268 duration, 11.30mm/10.50mm Lift. Racing camshafts to suit well optimised competition engines in the 500-700hp range. Best used with larger volume intake manifold and suits up to 30lb boost and 8000 RPM with our recommended valve spring. AVCS on intake only. Sold as a set.

Valve Clearance

Intake:

0.200

Set

cold

at the

cam

Exhaust:

0.250

Set

cold

at the

cam

Cam Lift:

Intake:

11.500

Exhaust:

10.750

Rocker Ratio:

Intake:

1

Exhaust:

1

Nett Valve Lift:

Intake:

11.300

Exhaust:

10.500

Advertised Duration @

0.250

Intake:

272

Exhaust:

268

Duration @

VALVE

Intake:

232

Exhaust:

228

Timing @

VALVE

IVO:

14 ATDC

EVO:

47 BBDC

IVC:

66 ABDC

EVC:

1 ATDC

Suggested Centre Lines:

Intake:

130 ATDC

Exhaust:

113 BTDC

VALVE

Lift @ TDC

Intake:

0.120

Exhaust:

1.120

Engine Make:

Engine Model:

Part Number:

Subaru

EJ25 USDM STi 2005-on

R-199-C Camshaft

NOTE: It is recommended upgrading the valve springs with these camshafts.